Pop-up irrigation sprinkler with shock absorbing riser spring damping cushion

A pop-up rotor-type irrigation sprinkler includes an outer case and a riser assembly telescopically extensible from the outer case. A coil spring surrounds the riser assembly and normally holds the riser assembly in a lower retracted position within the outer case. The coil spring is dimensioned and configured to permit extension of the riser assembly to a raised upper position when pressurized water is introduced into the outer case. A cushion made of an elastomeric material is retained in the outer case adjacent an end thereof and surrounds the riser assembly. The cushion may be solid and may move between hard structures to facilitate absorption of the shock of the impact caused by rapid extension of the riser assembly to its raised upper position. The cushion may also include a plurality of voids that facilitate deformation and shock absorption.

Low flow emitter with exit port closure mechanism for subsurface irrigation

A drip emitter for subsurface irrigation includes a valve chamber defining a hollow interior, an entry port and at least one exit port. A flexible diaphragm is mounted in the hollow interior of the valve chamber for movement in response to pressurized water being supplied to the hollow interior through the entry port. The drip emitter further includes a tortuous path water flow channel that limits the flow of water from the hollow interior of the valve chamber to the at least one exit port. A closure member is moved by the flexible diaphragm to open the at least one exit port when pressurized water enters the hollow interior to allow water to be discharged through the at least one exit port. A spring moves the closure member to close the at least one exit port when the supply of pressurized water is shut OFF.

Rotor-type sprinkler with pressure regulator in outer case

An irrigation sprinkler can include an outer case and a riser extendible from the outer case by water pressure. A nozzle can be rotatably mounted at an upper end of the riser. A water inlet can connect the sprinkler to a water source. A turbine may be mounted in the riser for rotation by water entering a lower end of the riser. A gear train reduction can be mounted in the riser. A gear driven coupling mechanism mounted in the riser may couple the gear train reduction and the nozzle. A pressure regulator can be mounted inside the outer case at the water inlet.

Matched precipitation rate rotor-type sprinkler with selectable nozzle ports

An irrigation sprinkler can include a riser and a nozzle mounted at an upper end of the riser for rotation. The sprinkler can include a high flow rate port and a low flow rate port that can each emit a stream of water. The sprinkler can include a diverter valve that can intermittently block or permit the flow of water to the high flow rate port and/or to the low flow rate port as the nozzle rotates. The sprinkler can include a gear train reduction mounted in the riser and coupled to rotate the nozzle. A turbine can be coupled to an input shaft of the gear train reduction and can be rotatable by water flowing through the riser.

REVERSING MECHANISM FOR AN IRRIGATION SPRINKLER WITH A REVERSING GEAR DRIVE

A sprinkler can include a turbine, a nozzle, a gear drive and a reversing mechanism. The gear drive and the reversing mechanism rotatably couple the turbine and the nozzle. The gear drive can shift a direction of rotation of an output stage that is coupled to the reversing mechanism. The reversing mechanism can include a shift member coupled with the gear drive.

Gear Driven Sprinkler with Top Turbine

A sprinkler comprises a nozzle, a turbine and a gear train reduction. The gear train reduction has an output stage that is coupled to the nozzle. The turbine is located between the nozzle and the gear train reduction and is coupled to an input stage of the gear train reduction. 120-. (canceled)21. A sprinkler , comprising:a gear drive;a rotary distributor head having a plurality of radially extending recesses;a pair of shafts, a first one of the shafts being rotatable within a second one of the shafts, and one of the first and second shafts being coupled to the rotary distributor head for rotation by the gear drive;a turbine coupled to the gear drive;a nozzle adjacent the rotary distributor head with an orifice located and configured to direct water into the recesses so that the recesses can eject a plurality of outwardly directed streams of water; anda nozzle base that includes a threaded segment for screwing to an upper threaded segment of a riser.22. The sprinkler of wherein the turbine is located between the rotary distributor head and the gear drive.23. The sprinkler of wherein the recesses in the rotary distributor head are curved.24. The sprinkler of wherein the nozzle base has an axial length that terminates above a lower end of the gear drive so that the gear drive can be inserted into the top end of the riser and the base screwed to the upper threaded segment of the riser instead of a spray head.25. The sprinkler of wherein the gear drive is mounted inside a gear box.26. The sprinkler of and further comprising a screen connected to the gear box.27. The sprinkler of and further comprising a by-pass flow member above the gear drive.28. The sprinkler of wherein the rotary distributor head has a frusto-conical configuration.29. The sprinkler of wherein the gear drive is a planetary gear.30. The sprinkler of wherein the nozzle base and the nozzle are configured to produce a fixed arc of coverage.31. The sprinkler of wherein the nozzle base and the nozzle are ...

Dual Trajectory Nozzle for Rotor-Type Sprinkler

A sprinkler includes a turbine, a gear drive, a nozzle turret, and a nozzle that is installed in the turret. The gear drive rotatably couples the turbine and the nozzle. The nozzle has an exit angle which is different from its entry angle to change the trajectory of the water as it passes through the nozzle. The nozzle can be installed in an orientation to increase the trajectory of the water leaving the sprinkler, or installed in an orientation to decrease the trajectory of the water leaving the sprinkler. 1. An irrigation sprinkler , comprising:a riser;a turbine;a nozzle turret mounted at an upper end of the riser;a drive assembly mounted in the riser and coupling the turbine and the nozzle turret so that pressurized water entering a lower end of the riser will cause the nozzle turret to rotate; anda nozzle configured for removable insertion into a socket in the nozzle turret, the nozzle having an angled flow path that generates a higher trajectory of a water stream ejected from the nozzle when inserted into the socket in a first orientation and a lower trajectory when inserted into the socket in a second orientation.2. The sprinkler of wherein the nozzle turret has a vertically extending primary port that communicates with an exit port that extends at a predetermined angle relative to the primary port and provides the socket that receives the nozzle.3. The sprinkler of and further comprising a removable retainer tab that can be inserted through a slot formed in the nozzle turret to retain the nozzle in the socket.4. The sprinkler of wherein the nozzle includes a base with a plurality of stream straightening fins.5. The sprinkler of wherein the nozzle includes a tapered outlet spout with a plurality of stream straightening fins.6. The sprinkler of wherein the nozzle includes an inlet base and a tapered spout and a first central longitudinal axis of the tapered spout is offset from a second longitudinal axis of the base to provide the angled flow path.7. The ...

Low Precipitation Rate Rotor-Type Sprinkler with Intermittent Stream Diffusers

An irrigation sprinkler includes an outer case and a riser extensible from the outer case by water pressure and normally in a retracted position. A nozzle is rotatably mounted at an upper end of the riser. A turbine is mounted in the riser for rotation by water entering a lower end of the riser. A gear train reduction is mounted in the riser. A gear driven coupling mechanism mounted in the riser couples the gear train reduction and the nozzle. A pressure regulator valve is located inside a nozzle turret of the sprinkler and includes a valve member that is pivotably mounted between the gear train reduction and the nozzle. 1. An irrigation sprinkler , comprising:a riser;a nozzle rotatably mounted at an upper end of the riser;a turbine mounted in the riser and rotatable by water entering a lower end of the riser;a gear train reduction mounted in the riser;a coupling mechanism mounted in the riser and coupling the gear train reduction and the nozzle; anda pressure regulator valve incorporating a valve member pivotably mounted between the gear train reduction and the nozzle.2. The sprinkler of wherein the pressure regulator is mounted within a nozzle turret that is rotatably mounted at the upper end of the riser and supports the nozzle.3. The sprinkler of and further comprising a flow shut off mechanism that can be manually actuated to move the valve member to a closed position.4. The sprinkler of wherein the coupling mechanism includes a reversing mechanism that can be adjusted so that the nozzle rotates between a pair of selected arc limits.5. The sprinkler of wherein the valve member has an elliptical configuration.6. The sprinkler of wherein the pressure regulator valve includes a piston operatively coupled to the valve member for rotating the valve member.7. The sprinkler of and further comprising a coil spring mounted to bias the valve member toward an open position.8. The sprinkler of wherein the valve member includes an outer sealing surface made of an ...

Irrigation Sprinkler with Ratcheting Manual Nozzle Rotation

A sprinkler includes a turbine, a nozzle, a gear train reduction and a reversing mechanism that rotatably couples the gear train reduction and the nozzle. The gear train reduction includes an input stage and a planetary gear drive output stage that includes a first portion of the reversing mechanism. A second portion of the reversing mechanism is located outside of the gear train reduction. The second portion of the reversing mechanism includes a pair of arc tabs. At least one of the arc tabs is adjustable to establish an arc of coverage of the sprinkler when the water flowing past the turbine causes the gear train reduction and the reversing mechanism to oscillate the nozzle back and forth between a pair of arc stops. The arc stops are defined by the locations of the arc tabs. The input stage of the gear train reduction includes a mechanism that allows manual rotation of the nozzle between the arc stops without having to back drive the gears in the input stage.

FOLLOWSPOT AND METHOD FOR RETROFITTING A FOLLOWSPOT

The invention is a followspot and a method for retrofitting an existing followspot, which preferably involves replacing a quartz xenon short arc lamp and separate reflector with a xenon short arc ceramic lamp, which has a built-in reflector. The retrofit of the present invention will provide faster focal length, more light output, and an increased lighting efficiency. 1. A method for retrofitting a followspot , the steps comprising:providing a followspot;removing one or more covers of a housing of said followspot;disconnecting one or more first wires inside said housing;wherein said one or more first wires includes a first negative wire and a first positive wire;wherein said first negative wire is connected between a negative terminal of a first lamp and a shunt of said housing;wherein said first positive wire is connected between a positive terminal of said first lamp and an igniter assembly;removing said first lamp from said housing;removing a first reflector from said housing;installing a second lamp into said housing;wherein said second lamp includes a second reflector;installing one or more second wires inside said housing; andwherein said one or more second wires includes a second negative wire and a second positive wire;wherein said second negative wire is connected between said negative terminal of said first lamp and said shunt of said housing;wherein said second positive wire is connected between said positive terminal of said first lamp and said igniter assembly;installing said one or more covers of said housing.2. The method for retrofitting a followspot in claim 1 , wherein said second lamp is a ceramic short arc lamp.3. The method for retrofitting a followspot in claim 2 , wherein said second lamp includes a heat sink;wherein said heat sink dissipates heat from said second lamp.4. The method for retrofitting a followspot in claim 3 , wherein said second lamp step includes a fan device;wherein said fan device dissipates heat from said second lamp.5. The ...

Pop-Up Irrigation Sprinkler with Shock Absorbing Riser Spring Damping Cushion

A pop-up rotor-type irrigation sprinkler includes an outer case and a riser assembly telescopically extensible from the outer case. A coil spring surrounds the riser assembly and normally holds the riser assembly in a lower retracted position within the outer case. The coil spring is dimensioned and configured to permit extension of the riser assembly to a raised upper position when pressurized water is introduced into the outer case. A cushion made of an elastomeric material is retained in the outer case adjacent an end thereof and surrounds the riser assembly. The cushion may be solid and may move between hard structures to facilitate absorption of the shock of the impact caused by rapid extension of the riser assembly to its raised upper position. The cushion may also include a plurality of voids that facilitate deformation and shock absorption. 1. An irrigation sprinkler , comprising:an outer case;a riser assembly telescopically extensible from the outer case including a nozzle at an upper end of the riser assembly;a coil spring surrounding the riser assembly and normally holding the riser assembly in a lower retracted position within the outer case, the coil spring being dimensioned and configured to permit extension of the riser assembly to a raised upper position when pressurized water is introduced into the outer case; anda shock absorber;the shock absorber including a cushion made of an elastomeric material retained by a ring-shaped member made of a hard material, the ring-shaped member being positioned between the riser assembly and the outer case.2. The sprinkler of and further comprising a lower spring seat that surrounds the riser assembly and holds a lower end of the coil spring and the shock absorber includes an upper spring seat that surrounds the riser assembly claim 1 , holds an upper end of the coil spring and engages an underside of the cushion.3. The sprinkler of wherein the shock absorber includes a ring-shaped shield that surrounds the riser ...

Reversing mechanism for an irrigation sprinkler with a reversing gear drive

A sprinkler can include a turbine, a nozzle, a gear drive and a reversing mechanism. The gear drive and the reversing mechanism rotatably couple the turbine and the nozzle. The gear drive can shift a direction of rotation of an output stage that is coupled to the reversing mechanism. The reversing mechanism can include a shift member coupled with the gear drive.

Rotor-type sprinkler with pressure regulator in outer case

An irrigation sprinkler can include an outer case and a riser extendible from the outer case by water pressure. A nozzle can be rotatably mounted at an upper end of the riser. A water inlet can connect the sprinkler to a water source. A turbine may be mounted in the riser for rotation by water entering a lower end of the riser. A gear train reduction can be mounted in the riser. A gear driven coupling mechanism mounted in the riser may couple the gear train reduction and the nozzle. A pressure regulator can be mounted inside the outer case at the water inlet.

DUAL TRAJECTORY NOZZLE FOR ROTOR-TYPE SPRINKLER

A sprinkler includes a turbine, a gear drive, a nozzle turret, and a nozzle that is installed in the turret. The gear drive rotatably couples the turbine and the nozzle. The nozzle has an exit angle which is different from its entry angle to change the trajectory of the water as it passes through the nozzle. The nozzle can be installed in an orientation to increase the trajectory of the water leaving the sprinkler, or installed in an orientation to decrease the trajectory of the water leaving the sprinkler. 1. An irrigation sprinkler , comprising:a riser;a turbine;a nozzle turret mounted at an upper end of the riser;a drive assembly mounted in the riser and coupling the turbine and the nozzle turret so that pressurized water entering a lower end of the riser will cause the nozzle turret to rotate; anda nozzle configured for removable insertion into a socket in the nozzle turret, the nozzle having an angled flow path that generates a higher trajectory of a water stream ejected from the nozzle when inserted into the socket in a first orientation and a lower trajectory when inserted into the socket in a second orientation.2. The sprinkler of wherein the nozzle turret has a vertically extending primary port that communicates with an exit port that extends at a predetermined angle relative to the primary port and provides the socket that receives the nozzle.3. The sprinkler of and further comprising a removable retainer tab that can be inserted through a slot formed in the nozzle turret to retain the nozzle in the socket.4. The sprinkler of wherein the nozzle includes a base with a plurality of stream straightening fins.5. The sprinkler of wherein the nozzle includes a tapered outlet spout with a plurality of stream straightening fins.6. The sprinkler of wherein the nozzle includes an inlet base and a tapered spout and a first central longitudinal axis of the tapered spout is offset from a second longitudinal axis of the base to provide the angled flow path.7. The ...

Rotor type sprinkler with insertable drive subassembly including horizontal turbine and reversing mechanism

A sprinkler includes an outer housing having a lower end connectable to a source of pressurized water and a riser that is vertically reciprocable within the outer housing between extended and retracted positions when the source of pressurized water is turned ON and OFF. A nozzle is mounted at an upper end of the riser for rotation about a vertical axis. A Pelton turbine is mounted inside the riser for rotation about a horizontal axis, as distinguished from a vertical axis. A drive mechanism connects the turbine to the nozzle so that when the source of pressurized water is turned ON the resulting rotation of the turbine by the pressurized water will rotate the nozzle. The turbine as well as a gear train reduction and a bevel gear reversing mechanism are assembled inside a self-contained clam-shell drive subassembly before being inserted into the riser.

Rotor type sprinkler with reversing mechanism including sliding clutch and driven bevel gears

A Pelton type turbine is mounted in a riser of a pop-up sprinkler for rotation about a horizontal axis and drives a central bevel pinion gear through a gear train reduction. Upper and lower bevel gears supported on a vertical drive shaft are simultaneously driven in opposite directions by the central bevel pinion gear. A clutch slides up and down along the drive shaft to engage radially extending teeth formed on its upper and lower sides with complementary teeth formed on the upper and lower bevel gears. One end of a yoke is coupled to the clutch and the other end is moved vertically by an over-center mechanism to shift the direction of rotation of a nozzle turret connected to the upper end of the drive shaft. The over-center mechanism is tripped back and forth by a shift disc engaged by a pair of tabs of a turret coupling assembly.

Toggle over-center mechanism for shifting the reversing mechanism of an oscillating rotor type sprinkler

A Pelton type turbine is mounted in a riser of a pop-up sprinkler for rotation about a horizontal axis and drives a bevel pinion gear reversing mechanism through a gear train reduction. One end of a yoke is coupled to a clutch and the other end is moved vertically by an over-center mechanism through a link arm to shift the direction of rotation of a nozzle turret connected to the upper end of a drive shaft. The over-center mechanism includes a pair of levers held together by a single coil spring with trunnions on a first lever pivoting in bearing surfaces of a second lever. An L-shaped actuating arm that extends from the second lever is tripped back and forth by a shift disc engaged by a pair of tabs of a turret coupling assembly.

Adjustable stator for rotor type sprinkler

An adjustable stator is mounted in the lower end of a pop-up sprinkler riser and includes a vertically extending frame portion and a pair of valve portions that extend horizontally from an upper end of the frame portion. A coil spring is squeezed between a lower end of a drive subassembly and a mandrel mounted in a lower end of the frame portion. The mandrel and the frame portion have mating projections which allow the vertical position of the mandrel to be adjusted. This adjusts the downward biasing force exerted by the coil spring against the frame portion and the valve members carried thereby. This varies the pressure of a water stream flowing past a turbine in the riser, and the speed of rotation of the turbine which in turn changes the speed of rotation of a nozzle driven by the turbine.

Fungicidal compositions

ABSTRACT A synertistic fungicidal composition comprising I. a furan-3-carboxanide; and at least one synergist wherein the synergist is II. 1-(B-(allyloxy)-2,4-dichlorophenothyl)imidazole; or III. 2-(4-thiazolyl)-1-H-benzimadole.

Method and apparatus for dispensing compressed natural gas and liquified natural gas to natural gas powered vehicles

A fueling facility and method for dispensing liquid natural gas (LNG), compressed natural gas (CNG) or both on-demand. The fueling facility may include a source of LNG, such as cryogenic storage vessel. A low volume high pressure pump is coupled to the source of LNG to produce a stream of pressurized LNG. The stream of pressurized LNG may be selectively directed through an LNG flow path or to a CNG flow path which includes a vaporizer configured to produce CNG from the pressurized LNG. A portion of the CNG may be drawn from the CNG flow path and introduced into the CNG flow path to control the temperature of LNG flowing therethrough. Similarly, a portion of the LNG may be drawn from the LNG flow path and introduced into the CNG flow path to control the temperature of CNG flowing therethrough.

Solenoid Actuated Pilot Valve for Irrigation System Valve

A solenoid actuated pilot valve includes a pilot valve housing defining a pilot valve chamber and a solenoid. The solenoid includes and end cap connected to the pilot valve housing, a reciprocable plunger, and a piston having a shaft with a first end connected to and end of the plunger and a second end connected to a piston head. The end cap has a bore through which the shaft of the piston reciprocates and a first port separate from the bore. A first seal on a first side of the piston head is provided for sealing a first end of the first port. A second seal on a second side of the piston head is provided for sealing a first end of a second port in the pilot valve housing.

Gear driven sprinkler with top turbine

A sprinkler comprises a nozzle, a turbine and a gear train reduction. The gear train reduction has an output stage that is coupled to the nozzle. The turbine is located between the nozzle and the gear train reduction and is coupled to an input stage of the gear train reduction.

Irrigation spray nozzle with two-piece color identifier and radially shaped orifice

An exterior portion of the nozzle with a top side viewable from above the turf or ground surface mates with a base portion of the nozzle to define a nozzle orifice and a flow path leading to the nozzle orifice. The base portion has at least one projection that extends through an aperture in the exterior portion and provides an indication that is visible when viewing the top side and that represents a water distribution pattern and/or flow rate of the nozzle orifice. The exterior portion of the nozzle defines an inner arc section of the nozzle orifice and the base portion of the nozzle defines an outer arc section of the nozzle orifice that is radially spaced from the inner arc section. An improved water distribution pattern is achieved without the spikes and voids associated with conventional spray nozzle orifices.

Integral elastomeric covered body cap for irrigation sprinkler

A sprinkler has a hollow outer case and a riser vertically reciprocable within the outer case through an upper end thereof. A nozzle is mounted at an upper end of the riser. A body cap fits over the upper end of the outer case and retains the riser. The body cap has a plurality of circumferentially spaced vertical ribs that connect a reduced diameter upper portion of the body cap with an enlarged lower portion of the body cap. An elastomeric cover extends over at least the reduced diameter upper portion of the body cap and at least a portion of the ribs.

Method and apparatus for dispensing compressed natural gas and liquified natural gas to natural gas powered vehicles

Ultraviolet illuminator with network communication

An ultraviolet illuminator is configured to provide short wavelength, far UV-C light to an illuminated region for the purpose of causing denaturation of infectious particles carried on a surface, in air, or associated with an aerosol. The ultraviolet illuminator may include one or more sensors. The ultraviolet illuminator includes a communication interface configured to receive and/or transmit data corresponding to one or more parameters corresponding to the illuminated region or a region outside the illuminated region. The ultraviolet illuminator includes an electronic controller configured to control output of the far UV-C light corresponding to the received or transmitted data and the one or more sensors.

Far ultraviolet lamp and system with optical diffuser

An excimer lamp and system are configured for diffuse radiation of far UV- C illumination into an environment suitable for human occupation. The diffuse radiation provides enhanced anti-viral and anti-bacterial activity owing to broadening of a region illuminated by far UV radiation from the excimer lamp.

Dual trajectory nozzle for rotor-type sprinkler

A sprinkler includes a turbine, a gear drive, a nozzle turret, and a nozzle that is installed in the turret. The gear drive rotatably couples the turbine and the nozzle. The nozzle has an exit angle which is different from its entry angle to change the trajectory of the water as it passes through the nozzle. The nozzle can be installed in an orientation to increase the trajectory of the water leaving the sprinkler, or installed in an orientation to decrease the trajectory of the water leaving the sprinkler.

Excimer illuminator with replaceable lamp

An excimer illumination system includes a replaceable excimer lamp or lamp portion.

Flow back separators

A flow back separator including a housing including a bore housing for communicating with a solid collection chamber, an inlet port for receiving formation fluid flow, and a helical member disposed within the housing bore for directing formation fluid flow received through the inlet port along a helical path wherein solids within the formation fluid flow are forced towards a wall of the housing bore under centrifugal force.

Replaceable excimer lamp

An excimer lamp is configured for field replaceability.

Ultraviolet illuminator with network communication

An ultraviolet illuminator is configured to provide short wavelength, far UV-C light to an illuminated region for the purpose of causing denaturation of infectious particles carried on a surface, in air, or associated with an aerosol. The ultraviolet illuminator may include one or more sensors. The ultraviolet illuminator includes a communication interface configured to receive and/or transmit data corresponding to one or more parameters corresponding to the illuminated region or a region outside the illuminated region. The ultraviolet illuminator includes an electronic controller configured to control output of the far UV-C light corresponding to the received or transmitted data and the one or more sensors.

Dual trajectory nozzle for rotor-type sprinkler

A sprinkler can include a nozzle turret having a removable nozzle carrier. For example, the nozzle carrier can be removably installed within a recess of a nozzle housing. The nozzle carrier can include one or more nozzle ports configured to receive sprinkler nozzles. The nozzles can have varying characteristics including flow rate, output range, spray pattern, etc. In some cases, a primary nozzle can be removably coupled with the nozzle carrier. The primary nozzle can include a body (e.g., inlet) portion having a first axis and a tapered (e.g., outlet) portion having a second axis non-parallel to the first axis. The primary nozzle can be configured to be installed in the nozzle carrier in at least two orientations. In some cases, one or more secondary nozzles are removably or permanently connected to the nozzle carrier.